Upon further inspection, it's almost definitely AI. Look at the better-quality original: https://in.pinterest.com/pin/937874691150982659/

In particular, note the nonsensical reflection in the mirror (which is inexplicably placed on the floor?), weird toilet paper roll, and half-unicorn horn half-third ear thing sticking out from the head.

And if you check out that Pinterest account, it's full of AI-generated crap too.

Which mostly just demonstrates how good the AI has become, to the point where if you scale down the image somewhat, it fools humans and AI detectors alike.